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Fertilization occurs when the sperm and the egg
meet and the new cell of the sperm
fuses and form a new cell called zygote. -
Then that the ovule and the sperms fuses
the ovule passes through the fallopian tubes
and then implantes in the uterus. -
Last about nine months and is divided in to three phases of three months each frist trimestrer, second trimestrer and third trimestrer.
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During the second week protected by sack full of liquid the embryo produce a organ called placenta.
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At the end of the seventh month of the foetus, organs are allready suflicilitty developed for it to survive.
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During this period that embryo is called foetus.Is skeleton musculature and all the organs develop.
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Just before the baby is born , the bag of amniotic fluid arount it borts . This is called the breiking waters. Contractions of the uterus for
